diff --git a/structural/molecule.py b/structural/molecule.py
index 6a3569c..a7e0995 100644
--- a/structural/molecule.py
+++ b/structural/molecule.py
@@ -512,6 +512,19 @@ def get_molecule_infos_from_smiles_with_batched_conformers(smiles, number_of_con
         enforceChirality=True,
         numThreads=-1)
 
+    number_of_conformers_ = number_of_conformers
+    while m.GetNumConformers() < number_of_conformers:
+        number_of_conformers_ *= 2
+        AllChem.EmbedMultipleConfs(
+                m,
+                numConfs=number_of_conformers_,
+                maxAttempts=max_attempts,
+                pruneRmsThresh=.1,
+                useExpTorsionAnglePrefs=True,
+                useBasicKnowledge=True,
+                enforceChirality=True,
+                numThreads=-1)
+
     if addhs_in_post and add_hs:
         m = Chem.AddHs(m, addCoords=True, )
     for i in range(number_of_conformers):
@@ -1115,4 +1128,4 @@ def crippen_multi(sdf_file, smiles, num_conf=50, add_hs=True, iterations=50, max
         (score, rmsd, trans) = p2p_alignment(smiles_mol, sdf_mol, iterations=iterations)
         Chem.rdMolTransforms.TransformConformer(smiles_mol.GetConformer(0), trans)
         molinfo = MoleculeInfo.from_molblock(Chem.MolToMolBlock(smiles_mol), smiles)
-        yield (score, rmsd, trans), molinfo
\ No newline at end of file
+        yield (score, rmsd, trans), molinfo